@@ -1240,8 +1240,7 @@ static inline void dec_slabs_node(struct kmem_cache *s, int node, int objects)
}
/* Object debug checks for alloc/free paths */
-static void setup_object_debug(struct kmem_cache *s, struct page *page,
- void *object)
+static void setup_object_debug(struct kmem_cache *s, void *object)
{
if (!kmem_cache_debug_flags(s, SLAB_STORE_USER|SLAB_RED_ZONE|__OBJECT_POISON))
return;
@@ -1600,8 +1599,7 @@ slab_flags_t kmem_cache_flags(unsigned int object_size,
return flags | slub_debug_local;
}
#else /* !CONFIG_SLUB_DEBUG */
-static inline void setup_object_debug(struct kmem_cache *s,
- struct page *page, void *object) {}
+static inline void setup_object_debug(struct kmem_cache *s, void *object) {}
static inline
void setup_page_debug(struct kmem_cache *s, struct page *page, void *addr) {}
@@ -1737,10 +1735,9 @@ static inline bool slab_free_freelist_hook(struct kmem_cache *s,
return *head != NULL;
}
-static void *setup_object(struct kmem_cache *s, struct page *page,
- void *object)
+static void *setup_object(struct kmem_cache *s, void *object)
{
- setup_object_debug(s, page, object);
+ setup_object_debug(s, object);
object = kasan_init_slab_obj(s, object);
if (unlikely(s->ctor)) {
kasan_unpoison_object_data(s, object);
@@ -1849,13 +1846,13 @@ static bool shuffle_freelist(struct kmem_cache *s, struct slab *slab)
/* First entry is used as the base of the freelist */
cur = next_freelist_entry(s, &pos, start, slab_limit, freelist_count);
- cur = setup_object(s, slab_page(slab), cur);
+ cur = setup_object(s, cur);
slab->freelist = cur;
for (idx = 1; idx < slab->objects; idx++) {
next = next_freelist_entry(s, &pos, start, slab_limit,
freelist_count);
- next = setup_object(s, slab_page(slab), next);
+ next = setup_object(s, next);
set_freepointer(s, cur, next);
cur = next;
}
@@ -1929,11 +1926,11 @@ static struct slab *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
if (!shuffle) {
start = fixup_red_left(s, start);
- start = setup_object(s, slab_page(slab), start);
+ start = setup_object(s, start);
slab->freelist = start;
for (idx = 0, p = start; idx < slab->objects - 1; idx++) {
next = p + s->size;
- next = setup_object(s, slab_page(slab), next);
+ next = setup_object(s, next);
set_freepointer(s, p, next);
p = next;
}
Neither setup_object() nor setup_object_debug() used their struct page argument, so delete it instead of converting to struct slab. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> --- mm/slub.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-)